... PC , like normal interactive whiteboard. Just install e@board software, support touch, writing, drawing, spotlight, mask, media play, record, annotation ... Response time(ms): msResolution: 4096*4096Precision: 2 mmConnector: USB/COM Software Language: English, German, Polish, Spanish, Turkey, Thailand, Saudi ... in woofer 25WPC Capacity: VGA/SVGA/XGA/SXGA/VXGAPC I/O Connectors :AV/TV/YPbPr/HDMI/CVBS/VGA/S- ...